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Finding the Fourth Proportional to 79,868.85, 110,218.77 and 44,062.80

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Solution

The fourth proportional to 79,868.85, 110,218.77 and 44,062.80 is: 60,806.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,868.85 : 110,218.77 = 44,062.80 : x
  2. Step 2: Convert to fraction form
    79,868.85/110,218.77 = 44,062.80/x
  3. Step 3: Cross multiply
    79,868.85x = 110,218.77 × 44,062.80
  4. Step 4: Simplify right side
    79,868.85x = 4,856,547,618.76
  5. Step 5: Solve for x
    x = 4,856,547,618.76/79,868.85
  6. Step 6: Final answer
    x = 60,806.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.